Home / 68,931.88-103,398.34-37,750.12

Finding the Fourth Proportional to 68,931.88, 103,398.34 and 37,750.12

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Solution

The fourth proportional to 68,931.88, 103,398.34 and 37,750.12 is: 56,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931.88 : 103,398.34 = 37,750.12 : x
  2. Step 2: Convert to fraction form
    68,931.88/103,398.34 = 37,750.12/x
  3. Step 3: Cross multiply
    68,931.88x = 103,398.34 × 37,750.12
  4. Step 4: Simplify right side
    68,931.88x = 3,903,299,742.80
  5. Step 5: Solve for x
    x = 3,903,299,742.80/68,931.88
  6. Step 6: Final answer
    x = 56,625.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.